diff --git a/Samples/one-interface/common b/Samples/one-interface/common
deleted file mode 100644
index cfbadd903..000000000
--- a/Samples/one-interface/common
+++ /dev/null
@@ -1,9 +0,0 @@
-#
-# Include the standard common.def file
-#
-. /etc/shorewall/common.def
-#
-# The following rule is non-standard and compensates for tardy
-# DNS replies
-#
-run_iptables -A common -p udp --sport 53 -mstate --state NEW -j DROP
diff --git a/Samples/three-interfaces/common b/Samples/three-interfaces/common
deleted file mode 100644
index cfbadd903..000000000
--- a/Samples/three-interfaces/common
+++ /dev/null
@@ -1,9 +0,0 @@
-#
-# Include the standard common.def file
-#
-. /etc/shorewall/common.def
-#
-# The following rule is non-standard and compensates for tardy
-# DNS replies
-#
-run_iptables -A common -p udp --sport 53 -mstate --state NEW -j DROP
diff --git a/Samples/two-interfaces/common b/Samples/two-interfaces/common
deleted file mode 100644
index cfbadd903..000000000
--- a/Samples/two-interfaces/common
+++ /dev/null
@@ -1,9 +0,0 @@
-#
-# Include the standard common.def file
-#
-. /etc/shorewall/common.def
-#
-# The following rule is non-standard and compensates for tardy
-# DNS replies
-#
-run_iptables -A common -p udp --sport 53 -mstate --state NEW -j DROP